Breakouts:

site type timestamp offset
LFLL-0015 level 2015-04-18 14:00:00 -15.47
UDLL-0045 level 2015-04-21 12:00:00 -14.84
OA-0020 velocity 2015-04-22 02:00:00 -0.90
OA-0020 velocity 2015-05-02 19:00:00 0.14
OA-0020 velocity 2015-05-21 12:00:00 -0.61
OA-0020 velocity 2015-05-31 19:00:00 0.75
OA-0020 velocity 2015-06-11 16:00:00 -0.23

Appendix: A complete list of monitored sites